Filmed entirely on green screen in a sound stage in Colorado Springs.
In many instances, performers had to be rotoscoped, traced frame-by-fame to lift a them from one background and placed onto another.
Additional dialogue replacement (A.D.R.) was recorded for nearly all the cast, requiring them to re-read all their lines in a studio and match it with their original dialogue.
Post-production spanned nearly two years. From conceptualization to completion, Jack Wyatt and the Gun from Hell was five years in the making.
The tedious nature of green screen sometimes required several actors, filmed separately, to be composited into one image.